Finding the Fourth Proportional to 18,344,438.91, 27,515,940.12 and 6,213,902.31
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Solution
The fourth proportional to 18,344,438.91, 27,515,940.12 and 6,213,902.31 is: 9,320,610.17
Step by Step Solution
- Step 1: Write the proportion equation
18,344,438.91 : 27,515,940.12 = 6,213,902.31 : x - Step 2: Convert to fraction form
18,344,438.91/27,515,940.12 = 6,213,902.31/x - Step 3: Cross multiply
18,344,438.91x = 27,515,940.12 × 6,213,902.31 - Step 4: Simplify right side
18,344,438.91x = 170,981,363,873,489.69 - Step 5: Solve for x
x = 170,981,363,873,489.69/18,344,438.91 - Step 6: Final answer
x = 9,320,610.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.